H.W. Hill Landfill Gas Power Plant

Located in Klickitat County, Washington, adjacent to the Roosevelt Regional Landfill's 20 million tons of trash, methane gas is pumped downhill to feed five modified commercial diesel generators, creating enough energy to power nearly 10,000 homes.


Biomass type: Harvested combustible gases from decomposing garbage.

(Connected to Usage and Habitat programs)

Customer Service

Customer Service

Customer service
1-888-221-7070

Report a power outage
1-877-508-5088

Report a streetlight outage